The antibiotics will improve that condition.
Take analgesics for headache such as paracetamol
will improve slowly within 05 days period.
There is nothing to worry about give pseudoephedrine
with the combination of an antibiotic such as augmentine that will improve all the symptoms and paracetamol for symptoms of headache.
I hope I am succesful in solving in your query if you have more you can ask me
Dr. Azhar Sattar